- Core: added support for optional dependencies in factory providers and fixed container keys to use class references.
- Microservices: introduced TCP raw data processing, Kafka commit offsets, serializer options param, and extended streamable file header support.
- Bug fixes and security: removed unnecessary options objects from RMQ/MQTT packets, added optional error‑handling typings for middleware, and updated url‑parse for a security vulnerability.
v8.4.0
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Fixed early return issue causing Server-Sent Events (SSE) aborts in core
Fixed multiple core, common, and fastify issues: shared singleton providers, regex file type matching, route wildcard conversion, middleware prefix handling, lazy module scanning, and enum validation.
Added an override mimetype option to the file‑type validator and introduced SSE comment support in the core module